Question: the {inception} of {Uffizi} that is {end time} is {1580-0-0} ?
Paraphrase: When did the Uffizi gallery start being built in 1580?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q51252 p:P571 ?s . ?s ps:P571 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1580')) }